1、Designation:D456813(Reapproved 2020)Standard Test Methods forEvaluating Compatibility Between Cable Filling andFlooding Compounds and Polyolefin Wire and CableMaterials1This standard is issued under the fixed designation D4568;the number immediately following the designation indicates the year ofori
2、ginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods evaluate the compatibility betweencable filling or
3、 cable flooding compounds,or both,andpolyolefin materials used in the manufacture of wire and cablethat are usually in intimate contact with the filler or floodant,orboth.1.2 These test methods are useful to ensure compatibilityand to verify that new formulations of filling or floodingcompounds will
4、 have no deleterious effect upon the otherpolyolefin materials being used or,conversely,use thesemethods to ensure that other polyolefin wire and cable mate-rials are evaluated for possible use not degraded by contactwith fillers or floodants already in use.1.3 Whenever two sets of values are presen
5、ted,in differentunits,the values in the first set are to be regarded as standard.The values given in parentheses are mathematical conversionsthat are provided for information only and are not consideredstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated
6、 with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized
7、principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1711 Terminology Relating to E
8、lectrical InsulationD1928 Practice for Preparation of Compression-MoldedPolyethylene Test Sheets and Test Specimens(Withdrawn2001)3D2633 Test Methods for Thermoplastic Insulations andJackets for Wire and CableD4730 Specification for Flooding Compounds for Telecom-munications Wire and CableD4731 Spec
9、ification for Hot-Application Filling Com-pounds for Telecommunications Wire and CableD4732 Specification for Cool-Application Filling Com-pounds for Telecommunications Wire and CableD5423 Specification for Forced-Convection Laboratory Ov-ens for Evaluation of Electrical Insulation3.Terminology3.1 D
10、efinitions:3.1.1 For definitions of terms used in these test methods,refer to Terminology D17113.2 Definitions of Terms Specific to This Standard:3.2.1 aging(act of),nexposure of materials to filling orflooding compound at a specified temperature for a specifiedtime.3.2.2 filling compound,nany of se
11、veral materials(seeSpecifications D4731 and D4732)used to fill the air spaces inthe cores of multi-conductor insulated wires and cables for thepurpose of excluding air or moisture or both;especially withregard to telecommunications wire and cable intended fordirect burial.3.2.3 flooding compound,nan
12、y of several materials(seeSpecification D4730)used to flood wire or cable sheath1These test methods are under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and are the direct responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Members of
13、ASTMCommittee D02 on Petroleum Products and Lubricants and ASTM Committee B07on Light Metals and Alloys have contributed to these test methods.Current edition approved Aug.1,2020.Published September 2020.Originallyapproved in 1986.Last previous edition approved in 2013 as D4568 13.DOI:10.1520/D4568-
14、13R20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is re
15、ferenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theD
16、evelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1interfaces(for example,the region between core wrap and ashield,between a shield and a jacket,etc.)to eliminate or tominimize normal voids or air spaces in these areas;especiallywith regard to telecommunications wire and cable intended fordirect burial.4.Significance and Use4.1 Cable filling and flooding compounds are normallysemi-solid at room temper
